Climate at a glance · Trondheim
Annual mean43°day and night
Precipitation55.24 ina year
Warmest monthJulyavg high 66°
Coldest monthJanuaryavg low 23°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
55.24 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 34° | 36° | 41° | 46° | 55° | 63° | 66° | 63° | 59° | 48° | 39° | 34° |
| Avg low | 23° | 25° | 28° | 32° | 41° | 48° | 54° | 52° | 48° | 41° | 32° | 25° |
| Precip, in | 4.33 | 3.46 | 4.96 | 3.03 | 3.27 | 4.33 | 4.49 | 5.79 | 5.63 | 6.50 | 4.88 | 4.57 |
| Wet days | 17 | 15 | 17 | 14 | 15 | 18 | 17 | 19 | 16 | 22 | 17 | 16 |
| Sunshine | 1.7 h | 4.1 h | 6.4 h | 9.1 h | 11.3 h | 11.2 h | 11.6 h | 9.4 h | 7.5 h | 3.9 h | 2.3 h | 0.9 h |
| Humidity | 76% | 73% | 75% | 74% | 73% | 76% | 78% | 81% | 81% | 83% | 80% | 78% |
| Sea temperature | 40° | 37° | 42° | 44° | 48° | 54° | 64° | 60° | 57° | 51° | 45° | 42° |
| Daylight | 5 h 50 | 8 h 42 | 11 h 49 | 15 h 03 | 18 h 14 | 20 h 22 | 19 h 13 | 16 h 09 | 12 h 58 | 9 h 48 | 6 h 42 | 4 h 43 |
| UV index (clear sky) | 0 | 1 | 2 | 4 | 6 | 7 | 7 | 5 | 3 | 1 | 0 | 0 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
63.4300°N, 10.3950°E